Mathematics, 13.01.2021 18:30 negritoboy014
The monthly cost for cell phones for plan Amazing has a mean of $39.17 with a standard deviation of $13.58, while the monthly cost for plan Best has a mean cost of $41.16 with a standard deviation of $7.18. A random sample of 37 phones is selected from plan Amazing, and a random sample of 40 phones is selected from plan Best. What is the probability that the mean cost for plan Amazing will be more than the mean cost for plan Best?
0.2134
0.7866
0.9741
0.9942
Answers: 1
Mathematics, 21.06.2019 13:00
Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house
Answers: 1
Mathematics, 21.06.2019 16:00
What are the related frequencies to the nearest hundredth of the columns of the two way table? group 1: a-102 b-34group 2: a-18 b-14edited: i don’t have all day to be waiting for an answer. i figured it out.
Answers: 2
Mathematics, 21.06.2019 20:30
Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error
Answers: 1
Mathematics, 21.06.2019 21:20
What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?
Answers: 1
The monthly cost for cell phones for plan Amazing has a mean of $39.17 with a standard deviation of...
English, 25.05.2021 20:40
Mathematics, 25.05.2021 20:40
Mathematics, 25.05.2021 20:40
Mathematics, 25.05.2021 20:40
Computers and Technology, 25.05.2021 20:40
Mathematics, 25.05.2021 20:40
Mathematics, 25.05.2021 20:40
World Languages, 25.05.2021 20:40